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Pulley Demonstration Activity Set
Specifications
| Applications | Laboratory |
|---|
Key Features
- This Pulley Demonstration System is designed to complement demonstrations of simple machines. From the wheels on a bicycle to the gears in a car, the Pulley demonstration system helps explain how things work
- 8 Pulleys single, 2 Triple tandem, 2 Quadruple
Product Description
This Pulley Demonstration System is designed to complement demonstrations of simple machines. From the wheels on a bicycle to the gears in a car, the Pulley demonstration dystem helps explain how things work. Students learn that an increase in the number of pulleys decreases the force required to lift an object but increases the amount of string that must be pulled, yet the amount of work done is independent of the number of pulleys. Attach Newton spring scales to each and quantitatively discover that the force exerted decreases by a factor of 2 for the double pulley as the amount of string that is pulled increases by the same factor. Prove that the number of pulleys is equivalent to this factor. Students learn that the number of pulleys equals the mechanical advantage and that for either pulley the amount of work done is the same.
- Right angled clamps - 3
- Wheel & axle - 1
- Masses Brass. slotted. 2 x 10 g 2 x 20 g 2 x 50 g 4 x 100 g 4 x 200 g 1 x 500 g Total 15 weights
- Weight hangers 5 x 50 g 1 x 20 g 1 x 10 g Total 7 hangers.
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Frequently Asked Questions
This Pulley Demonstration System is designed for laboratory applications, specifically to complement demonstrations of simple machines.
The set includes 1 single pulley, 2 triple tandem pulleys, and 2 quadruple pulleys.
Yes, it allows for quantitative experiments by attaching Newton spring scales to each pulley to measure the force exerted, demonstrating the relationship between the number of pulleys and the force required.
The Pulley Demonstration Activity Set includes a total of 15 weights of various masses.
The system helps explain concepts such as the relationship between the number of pulleys, the force needed to lift objects, and the work done, which remains constant regardless of the number of pulleys used.
While specific setup instructions are not provided, the components are designed to be assembled for demonstrations of simple machines, requiring basic assembly of the pulleys and weights.
The weight set includes brass slotted masses of 10 g, 20 g, 50 g, 100 g, 200 g, and 500 g.
The set includes 3 right angled clamps for securing the pulleys during demonstrations.
The fundamental principle illustrated is that the number of pulleys affects the mechanical advantage, where the force required decreases as the number of pulleys increases, while the work done remains constant.
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